TTL serial port for serial port, you can link directly to the microcontroller

Product Description

Description: Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission. The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode. It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands. Working Voltage: 3.5~4.2V Quad-band 850/900/1800/1900MHz Connect onto any global GSM network with any 2G SIM Make and receive voice calls using a headset or an external 8 speaker and electret microphone. Send and receive SMS messages. Send and receive GPRS data (TCP/IP, HTTP, etc.) . Scan and receive FM radio broadcasts. Lead out buzzer and vibrational motor control port. AT command interface with “auto baud” detection.